Satellite Sleuthing Detects Underwater Eruptions

Satellite picture of pumice raft between Fiji and Tonga

As Director of the Earth Sciences division at NASA, Karen St. Germain oversees lots of satellites that collect data to help us better understand the Earth. There are lots of scientists around the world who study Earth Science using data from satellites. This Eos article highlights a few scientists using satellites to learn more about underwater volcanoes in the South Pacific.